Home / 53,734.07-80,611.51-20,451.58

Finding the Fourth Proportional to 53,734.07, 80,611.51 and 20,451.58

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Solution

The fourth proportional to 53,734.07, 80,611.51 and 20,451.58 is: 30,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,734.07 : 80,611.51 = 20,451.58 : x
  2. Step 2: Convert to fraction form
    53,734.07/80,611.51 = 20,451.58/x
  3. Step 3: Cross multiply
    53,734.07x = 80,611.51 × 20,451.58
  4. Step 4: Simplify right side
    53,734.07x = 1,648,632,745.69
  5. Step 5: Solve for x
    x = 1,648,632,745.69/53,734.07
  6. Step 6: Final answer
    x = 30,681.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.